Modulo:IPAddress

local p = {}function p._isIpV6(s)local dcolon, groupsif type(s) ~= "string"or s:len() == 0or s:find("[^:%x]") -- only colon and hex digits are legal charsor s:find("^:[^:]") -- can begin or end with :: but not with single :or s:find("[^:]:$")or s:find(":::")thenreturn falseends, dcolon = s:gsub("::", ":")if dcolon > 1 then return false end -- at most one ::s = s:gsub("^:?", ":") -- prepend : if needed, uppers, groups = s:gsub(":%x%x?%x?%x?", "") -- remove valid groups, and count themreturn ( (dcolon == 1 and groups < 8) or (dcolon == 0 and groups == 8) )and ( s:len() == 0 or (dcolon == 1 and s == ":") ) -- might be one dangling : if original ended with ::endfunction p._isIpV4(s)local function legal(n) return (tonumber(n) or 256) < 256  and not n:match("^0%d") endif type(s) ~= "string" then return false endlocal p1, p2, p3, p4 = s:match("^(%d+)%.(%d+)%.(%d+)%.(%d+)$")return legal(p1) and legal(p2) and legal(p3) and legal(p4)endfunction p._isIp(s)return p._isIpV4(s) and "4" or p._isIpV6(s) and "6"endfunction p._isIpOrRange(s)local modip = require('Modulo:IP')local success, ip = pcall(modip.IPAddress.new, s)if success thenreturn 'ip'endsuccess, ip = pcall(modip.Subnet.new, s)if success thenreturn 'range'endreturn ''endlocal function input(frame)-- Return input parameter after replacing any of following directional markers.-- LRM : LEFT-TO-RIGHT MARK (U+200E)         : hex e2 80 8e = 226 128 142-- LRE : LEFT-TO-RIGHT EMBEDDING (U+202A)    : hex e2 80 aa = 226 128 170-- PDF : POP DIRECTIONAL FORMATTING (U+202C) : hex e2 80 ac = 226 128 172-- This is required for MediaWiki:Blockedtext message.return (frame.args[1] or ''):gsub('\226\128[\142\170\172]', ' ')  -- replace LRM, LRE, PDF with space delimiterendfunction p.isIpV6(frame) return p._isIpV6(input(frame)) and "1" or "0" endfunction p.isIpV4(frame) return p._isIpV4(input(frame)) and "1" or "0" endfunction p.isIp(frame) return p._isIp(input(frame)) or "" endfunction p.isIpOrRange(frame)-- {{#invoke:IPAddress|isIpOrRange|x}} → 'ip' (IPv4/IPv6) or 'range' (CIDR IPv4/IPv6) or '' (invalid)return p._isIpOrRange(input(frame))endreturn p